Fig. 2. Foot of zygodactylid bird Primozygodactylus eunjooae sp. nov. (A) from the middle Eocene of Messel in Germany in comparison to the feet Primozygodactylus danielsi Mayr, 1998 (B) from Messel and Zygodactylus luberonensis (C) from the early Oligocene of the Lubéron in France. A. Left (A1) and right (A2) foot of P. eunjooae sp. nov., holotype (SMF−ME 1074). B. Left (B1) and right (B2) foot of P. danielsi Mayr, 1998, holotype (SMF−ME 2522a+b). C. Left (C1) and right (C2) foot of Zygodactylus luberonensis Mayr, 2008 (SMF Av 519). Note the proportionally shorter proximal phalanges of the second and third toes of P. eunjooae. Specimens in A and B coated with ammonium chloride.

Published as part of Mayr, Gerald & Zelenkov, Nikita, 2009, New specimens of zygodactylid birds from the middle Eocene of Messel, with description of a new species of Primozygodactylus, pp. 15-20 in Acta Palaeontologica Polonica 54 (1) on page 18, DOI: 10.4202/app.2009.B103, http://zenodo.org/record/12779942